Took a spin in the boat today. Geologists spend a lot of time studying the white layer in the rock face. It clearly defines the Triassic basalt from Jurassic sandstone.
http://img.photobucket.com/albums/v9...ps31d64f54.jpg
Here are different areas of basalt and sandstone.
http://img.photobucket.com/albums/v9...ps29388b08.jpg
The brown vein in the basalt is agate.
http://img.photobucket.com/albums/v9...psbefd2633.jpg
A volcanic stack.
http://img.photobucket.com/albums/v9...ps8d1e0745.jpg
http://img.photobucket.com/albums/v9...ps30aeb508.jpg
http://img.photobucket.com/albums/v9...ps1857c518.jpg
http://img.photobucket.com/albums/v9...ps88d4f4f2.jpg
http://img.photobucket.com/albums/v9...psd65d556f.jpg
http://img.photobucket.com/albums/v9...ps838b44d4.jpg
http://img.photobucket.com/albums/v9...psc7da4d81.jpg
http://img.photobucket.com/albums/v9...ps0d39ded8.jpg
